5.6 Setting and Wiring of COM Port (RS485)
5.6.1 Connection of COM Port
-
Wiring should extend from one unit to the next, between "+" terminals, and "-" terminals as below.
Never run two wires from a single unit to two other units.
-
In the unit that serves as the terminal station, connect the "E" terminal and "-" terminal.
5.6.2 Selection of Transmission Cables
Please use the following cables as transmission cables.
Appropriate electrical cables (twisted cables)
Type
Cross-sectional
view
Conductor
Insulator
Cable
diam.
Sample
appropriate
cable
Size
Resist-
ance
(at 20
°
C)
Material
Thick-
ness
Shielded
twisted
pair
0.5 mm
2
(AWG20)
Max.
33.4
Ω
/km
Polye-
thylene
Max.
0.5 mm
Approx.
7.8 mm
Belden 9207
Hitachi Cable,
Ltd. KPEV-
S0.5 mm
2
x
1P
VCTF
0.5 mm
2
(AWG20)
Max.
37.8
Ω
/km
Polychlo-
rinated
biphenyl
Max.
0.6 mm
Approx.
6.2 mm
VCTF-0.5
mm
2
x 2C(JIS)
Note:
-
Use shielded twisted pair cables.
-
Use only one type of transmission cable. Do not mix more than 1 type.
-
Twisted pair cables are recommended in noisy environments.
-
When using shielded cable with crossover wiring for the RS485 transmission line, grounded one end.
-
If two wires are connected to the plus terminal and minus terminal of the RS485, use the wires of the
same cross-sectional area which is 0.5 mm
2
.
5.6.3 Setting of Baud Rate (For L40MR and L60MR types)
-
Confirm the baud rate setting before installation when using the COM port.
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Содержание FP-X0 L14R
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Страница 49: ...Chapter 5 Installation and Wiring Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
Страница 65: ...Chapter 6 Communication Functions Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
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Страница 141: ...Sample program Control code Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
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Страница 150: ...7 32 Sample program Control code Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
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Страница 155: ...Chapter 8 Security Functions Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
Страница 167: ...Chapter 9 Other Functions Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
Страница 183: ...Chapter 11 Precautions During Programming Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
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